[Jan-2025] Download Real EMC D-SNC-DY-00 Exam Dumps Test Engine Exam Questions
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EMC D-SNC-DY-00 Exam Syllabus Topics:
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NEW QUESTION # 14
An administrator issues The ztp enable and show ztp status commands. What two objectives are they trying to accomplish?
- A. Administratively enable the ZTP process.
- B. Check on the progress of the ZTP process.
- C. Disable the ZTP process.
- D. Remove the ZTP function from the switch.
Answer: A,B
Explanation:
The ztp enable command is used to administratively enable the Zero Touch Provisioning (ZTP) process on the switch. This process allows the switch to automatically download and apply configuration files upon boot-up without manual intervention. The show ztp status command is used to check on the progress and status of the ZTP process, providing information about whether the process is active, completed, or encountered any issues.
References:
* Dell Technologies SONiC documentation
* Dell Networking Configuration Guide
NEW QUESTION # 15
How many ports are in each port-group on the S5200 series switches?
- A. 0
- B. 1
- C. 2
Answer: B
Explanation:
Each port-group on the S5200 series switches consists of 4 ports. This grouping allows for efficient management and configuration of the switch ports in sets.
References:
* Dell S5200 Series Switches Documentation
* Dell Technologies InfoHub
NEW QUESTION # 16
Enterprise SONiC Switch 1 and Switch 2 are part of a symmetric VXLAN fabric in a data center environment.
Switch 1 has learned MAC addresses from its local VLANs.
What role does BGP EVPN play in this scenario?
- A. Distributes locally learned MAC addresses to Switch 2
- B. Establishes Layer 2 connectivity between Switch 1 and Switch 2
- C. Enables efficient communication across the VXLAN fabric
Answer: A
Explanation:
BGP EVPN (Border Gateway Protocol Ethernet VPN) is used in a VXLAN fabric to distribute MAC address reachability information between switches. In this scenario, Switch 1 uses BGP EVPN to advertise the locally learned MAC addresses to Switch 2. This distribution of MAC addresses enables the switches to build and maintain an efficient forwarding table, facilitating communication across the VXLAN fabric.
References:
* Dell Technologies SONiC documentation
* BGP EVPN Configuration Guide
NEW QUESTION # 17
Refer to the exhibit.
Which three actions can a customer take to change interface Eth1/10 to operate in access mode for VLAN 40?
- A. Remove the current access VLAN configuration.
- B. Shut down the relevant interface.
- C. Delete VLAN 40.
- D. Enter it into the relevant interface.
- E. Configure the access mode for the switch port.
Answer: A,D,E
Explanation:
* Configure the access mode for the switch port (A): This involves setting the switch port to operate in access mode.
* Remove the current access VLAN configuration (D): Before changing the VLAN, the current configuration must be cleared.
* Enter it into the relevant interface (E): Apply the new configuration to the specific interface, Eth1/10.
Steps:
* interface Ethernet 1/10
* no switchport access vlan <current VLAN> (Remove current VLAN)
* switchport mode access
* switchport access vlan 40
References:
* Dell Technologies SONiC documentation
* Dell Networking Configuration Guide
NEW QUESTION # 18
Refer to the exhibit.
What type of route is shown?
- A. Type 5 host route from another VTEP
- B. Type 3 host route from another VTEP
- C. Type 3 host route from external VTEP
- D. Type 2 host route from another VTEP
Answer: D
Explanation:
The exhibit shows a BGP EVPN route in a VXLAN environment. The route type can be determined based on the details provided. Type 2 routes in BGP EVPN are used to advertise MAC address reachability information between VTEPs (Virtual Tunnel End Points). The exhibit indicates a host route from another VTEP, which corresponds to a Type 2 route.
References:
* Dell Technologies SONiC documentation
* BGP EVPN Configuration Guide
NEW QUESTION # 19
Which two elements are configured when RoCE is enabled?
- A. PFC
- B. IB
- C. ETS
- D. TCP
Answer: A,C
Explanation:
When RDMA over Converged Ethernet (RoCE) is enabled, Enhanced Transmission Selection (ETS) and Priority Flow Control (PFC) are two key elements that need to be configured. ETS allows for bandwidth allocation among different traffic classes, and PFC provides lossless Ethernet operation for specific traffic classes to support low-latency, high-performance network communication.
References:
* Dell Technologies SONiC documentation
* RDMA over Converged Ethernet Configuration Guide
NEW QUESTION # 20
Configure the system to meet these requirements.
. Configure R1 with AS 1.
. R1 must use a static neighbor assignment for BGP peering.
. R1 needs to redistribute all current and future connected IPv4 routes.
All the required BGP configurations have already been completed on R2.
R2 resides in BGP AS 2.
Answer:
Explanation:
see the explanation for all step by step solution with all explanation.
Explanation:
Here is the step-by-step configuration for R1:
* Enter BGP Configuration Mode:
R1# configure terminal
R1(config)# router bgp 1
* Configure the BGP Neighbor:
R1(config-router)# neighbor 10.10.12.2 remote-as 2
* Redistribute Connected Routes into BGP:
R1(config-router)# redistribute connected
* Exit BGP Configuration Mode and Save the Configuration:
R1(config-router)# end
R1# write memory
Comprehensive Detailed Step by Step Explanation with References:
* Enter BGP Configuration Mode:
* To configure BGP on R1, you need to enter global configuration mode and then enter BGP
* configuration mode with the AS number. Since R1 is in AS 1, you use the command router bgp 1.
* Configure the BGP Neighbor:
* BGP neighbors must be manually specified. In this case, R1's neighbor is R2, which has an IP address of 10.10.12.2 and resides in AS 2. The command neighbor 10.10.12.2 remote-as 2 establishes this relationship.
* Redistribute Connected Routes into BGP:
* To ensure that all connected routes on R1 are advertised via BGP, you use the redistribute connected command. This ensures that any connected IPv4 routes are redistributed into BGP, meeting the requirement to advertise current and future connected routes.
* Exit BGP Configuration Mode and Save the Configuration:
* Once the configuration is complete, you exit BGP configuration mode by typing end and then save the configuration with the write memory command. This ensures that the changes persist after a reboot.
References:
* Cisco BGP Configuration Guide
* Dell Technologies Networking - SONiC
* Dell Enterprise SONiC Deployment Guide
These steps provide a comprehensive guide to configure R1 to meet the specified requirements for BGP peering and route redistribution.
NEW QUESTION # 21
What is an iBGP neighbor relationship?
- A. Two BGP neighbors share L2VPN EVPN advertisements.
- B. Two BGP neighbors have the same autonomous system numbers
- C. Two BGP neighbors share only native BGP networks.
- D. Two BGP neighbors share only private networks.
Answer: B
Explanation:
An iBGP (Internal Border Gateway Protocol) neighbor relationship is established between two BGP routers within the same autonomous system (AS). This relationship allows for the exchange of routing information within the AS, ensuring that internal routes are propagated correctly.
References:
* Dell Technologies SONiC Routing Guide
* BGP Configuration Guide
NEW QUESTION # 22
What is a correct use-case scenario for ZTP in Enterprise SONiC?
- A. The user wants to replace a failed unit and use an automatic script.
- B. The user wants single pane of glass monitoring.
- C. The user wants to configure the switch manually using the CLI.
- D. The user wants multivendor switch deployment.
Answer: A
NEW QUESTION # 23
Which protocol is used to perform an automated installation of Enterprise SONiC?
- A. SCP
- B. HTTP
- C. SFTP
Answer: B
Explanation:
The automated installation of Enterprise SONiC is typically performed using the HTTP protocol. During the Zero Touch Provisioning (ZTP) process, the switch retrieves configuration files and software images from an HTTP server, allowing for automated and streamlined deployments.
References:
* Dell Technologies SONiC documentation
* ONIE User Guide
NEW QUESTION # 24
Which network devices route unencapsulated user traffic in a symmetric IRB overlay network?
- A. Leaf router and spine router
- B. Capability extended next hop router and leaf router
- C. Source VTEP and destination VTEP
- D. Autonomous system boundary router and source VTEP
Answer: C
Explanation:
In a symmetric Integrated Routing and Bridging (IRB) overlay network, the Source Virtual Tunnel End Point (VTEP) and the Destination VTEP route unencapsulated user traffic. Symmetric IRB ensures that routing occurs at both the ingress and egress VTEPs, allowing for optimized traffic flow and efficient network operations.
References:
* Dell Technologies SONiC documentation
* VXLAN Configuration Guide
NEW QUESTION # 25
Which two things does the no vrrp 100 address-family ipv6 command delete?
- A. Address-family
- B. Identifier
- C. Authentication
- D. Version
- E. Interface
Answer: A,B
Explanation:
The no vrrp 100 address-family ipv6 command deletes the VRRP (Virtual Router Redundancy Protocol) identifier (A) and the address-family configuration (D) for VRRP group 100. This effectively removes the VRRP configuration for the specified address family.
References:
* Dell Technologies SONiC documentation
* VRRP Configuration Guide
NEW QUESTION # 26
What are two characteristics of route maps in Enterprise SONIC?
- A. Route-map names are not case-sensitive.
- B. Each route map clause has the type values of Match. Set. and Act.
- C. They are a series of commands that contain a matching criterion and action.
- D. The permit or deny clause In route maps permits or rejects the matching routes from being redistributed.
Answer: C,D
Explanation:
Route maps in Enterprise SONIC are used for controlling and modifying routing information. They contain a series of commands with matching criteria and actions. The permit or deny clause within route maps determines whether the matching routes are permitted or denied from being redistributed.
References:
* Dell Technologies SONiC Route Map Configuration Guide
* Dell Networking Configuration Guide
NEW QUESTION # 27
Refer to the exhibit.
The route distinguisher was autogenerated. Which VLAN is mapped to VNI410?
- A. VLAN 10
- B. VLAN 26
- C. VLAN 410
- D. VLAN41
Answer: A
Explanation:
The route distinguisher (RD) in the exhibit is 10.0.2.26:41. The RD typically reflects the VNI and VLAN mapping configuration. Given that the VNI is 410 and the RD ends with :41, it implies that VLAN 10 is mapped to VNI 410.
References:
* Dell Technologies SONiC documentation
* VXLAN Configuration Guide
NEW QUESTION # 28
What are three characteristics of VLAN translation?
- A. Trunk or access ports can be configured as members of any VLANs that are not used as an SVLAN.
- B. VLAN translation is not supported on MC-LAG port channel interfaces.
- C. The SVLAN header is replaced with a VNI if the provider network uses a VXLAN overlay.
- D. SVLAN configuration for both Q-in-Q VLAN tunneling and VLAN translation is possible on the same interface.
- E. By default, VLAN stacking is enabled on Z9432F-ON switches.
Answer: A,B,D
Explanation:
* VLAN translation is not supported on MC-LAG port channel interfaces (A): This is a restriction commonly seen in network configurations involving Multi-Chassis Link Aggregation (MC-LAG) where VLAN translation capabilities are not applied.
* Trunk or access ports can be configured as members of any VLANs that are not used as an SVLAN (B): This ensures that the VLAN configuration on trunk or access ports is flexible and does not overlap with Service VLANs (SVLANs).
* SVLAN configuration for both Q-in-Q VLAN tunneling and VLAN translation is possible on the same interface (E): This allows for complex VLAN tagging and translation configurations to be applied to the same interface, supporting advanced networking scenarios.
References:
* Dell Technologies SONiC documentation
* Dell Networking Configuration Guide
NEW QUESTION # 29
Refer to the exhibit.
What can be determined from this show command?
- A. ECN is enabled for all colors
- B. Traffic below 100 KB is marked as congested
- C. ECN is enabled for all DSCP values
- D. There is a 10% probability that traffic is marked as congested
Answer: A
Explanation:
The output of the command show qos wred-policy pfc34 shows the ECN (Explicit Congestion Notification) configuration for the policy pfc34. The line ecn: ecn_all indicates that ECN is enabled for all traffic classes (all DSCP values). Additionally, the green-min-threshold, green-max-threshold, and green-drop-probability settings are shown, but there is no indication of a 10% probability for marking traffic as congested. Therefore, the correct answer is B.
References:
* Dell Enterprise SONiC documentation
* Dell Technologies InfoHub
NEW QUESTION # 30
How many times must BGP be configured when running symmetric IRB with two VFRs?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
When running symmetric Integrated Routing and Bridging (IRB) with two Virtual Forwarding Routers (VFRs), BGP must be configured twice. Each VFR will have its own BGP instance to handle the routing information.
References:
* Dell Technologies SONiC Routing Guide
* Dell Networking Configuration Guide
NEW QUESTION # 31
What is ECMP?
- A. A routing protocol database filter supporting a maximum of four paths
- B. A routing protocol with multipath support
- C. A Layer 3 routing feature to forward traffic using multiple available paths
- D. A round-robin path distribution mechanism
Answer: C
Explanation:
ECMP (Equal-Cost Multi-Path) is a Layer 3 routing feature that allows traffic to be forwarded using multiple available paths of equal cost. This improves bandwidth utilization and provides redundancy. ECMP is commonly used in modern networks to optimize the flow of traffic and increase the resiliency of network connections.
References:
* Dell Technologies SONiC documentation
* ECMP Configuration Guide
NEW QUESTION # 32
A deployment requires routing and dynamic access control lists. What bundle must be used for this deployment?
- A. Cloud Premium
- B. Edge Standard
- C. Enterprise Standard
- D. Enterprise Standard
Answer: D
Explanation:
For a deployment that requires routing and dynamic access control lists, the appropriate bundle to use is the Enterprise Standard bundle. This bundle includes advanced routing capabilities and supports dynamic access control lists for comprehensive network management and security.
References:
* Dell Technologies SONiC documentation
* Dell Networking Bundle Configuration Guide
NEW QUESTION # 33
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